[before class]
[Cain grins at him.] Of course it's alright. We have at least one person who is both deaf and mute attending today, too. You don't need a voice to wave a sword around, after all.
And if you have questions, you can write them in your notebook. [Cain did have the foresight to bring his own supplies for that purpose, but it's good if Subaru has some of his own.]